Drill extension for use in oral implantology



FIG. 1 is a top, side perspective view of a drill extension for use in oral implantology;

FIG. 2 is a top, opposite side perspective view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a front elevational view thereof; and,

FIG. 5 is a bottom plan view thereof. 

The ornamental design for a drill extension for use in oral implantology, as shown and described. 